Pith Number

pith:2TQ2CU3K

pith:2017:2TQ2CU3KT5EWIT2D73TE4FHGWI

not attested not anchored not stored refs pending

The XXL Survey: XXIII. The Mass Scale of XXL Clusters from Ensemble Spectroscopy

A. Bongiorno, A. E. Evrard, A. Elyiv, A. Farahi, A. Hopkins, A. Iovino, A. Robotham, B. Altieri, B. Garilli, B. J. Maughan, B. M. Poggianti, C. Adami, D. Rapetti, E. Koulouridis, F. Gastaldello, F. Pacaud, I. Baldry, I. Valtchanov, J. Liske, L. Chiappetti, L. Guennou, M. Birkinshaw, M. Bolzonella, M. Brown, M. Owers, M. Pierre, M. Plionis, M. Scodeggio, M. Sereno, P. A. Giles, R. Tuffs, S. Ettori, S. Maurogordato, S. P. Driver, T. Ponman, T. Sadibekova, V. Guglielmo

arxiv:1711.07066 v1 · 2017-11-19 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TQ2CU3KT5EWIT2D73TE4FHGWI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:00:22.292678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4e1a1536a9f49644f43fee64e14e6b213a8c7f7e8f81d408961cf7ab35ce295

Aliases

arxiv: 1711.07066 · arxiv_version: 1711.07066v1 · doi: 10.48550/arxiv.1711.07066 · pith_short_12: 2TQ2CU3KT5EW · pith_short_16: 2TQ2CU3KT5EWIT2D · pith_short_8: 2TQ2CU3K

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2TQ2CU3KT5EWIT2D73TE4FHGWI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d4e1a1536a9f49644f43fee64e14e6b213a8c7f7e8f81d408961cf7ab35ce295

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "489072f50b32d0235d77f9f3ef191cec51de4910af36bc4147c1b14612445345",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-11-19T20:09:13Z",
    "title_canon_sha256": "5bdbcb0d0a41c4241b99e1284facb9c11428d0a7a83e703611c8bc26bbb05a3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07066",
    "kind": "arxiv",
    "version": 1
  }
}